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https://github.com/ashinn/chibi-scheme.git
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8b5eb68238
They can be close()d explicitly with close-file-descriptor, and will close() on gc, but only explicitly closing the last port on them will close the fileno. Notably needed for network sockets where we open separate input and output ports on the same socket.
42 lines
1.9 KiB
Scheme
42 lines
1.9 KiB
Scheme
;; char-set:lower-case
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(define char-set:lower-case (immutable-char-set (%make-iset 97 122 #f #f #f)))
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;; char-set:upper-case
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(define char-set:upper-case (immutable-char-set (%make-iset 65 90 #f #f #f)))
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;; char-set:title-case
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(define char-set:title-case (immutable-char-set (%make-iset 0 0 0 #f #f)))
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;; char-set:letter
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(define char-set:letter (immutable-char-set (%make-iset 97 122 #f (%make-iset 65 90 #f #f #f) #f)))
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;; char-set:punctuation
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(define char-set:punctuation (immutable-char-set (%make-iset 63 64 #f (%make-iset 44 47 #f (%make-iset 37 42 #f (%make-iset 33 35 #f #f #f) #f) (%make-iset 58 59 #f #f #f)) (%make-iset 123 123 #f (%make-iset 95 95 #f (%make-iset 91 93 #f #f #f) #f) (%make-iset 125 125 #f #f #f)))))
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;; char-set:symbol
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(define char-set:symbol (immutable-char-set (%make-iset 94 94 #f (%make-iset 43 43 #f (%make-iset 36 36 #f #f #f) (%make-iset 60 62 #f #f #f)) (%make-iset 124 124 #f (%make-iset 96 96 #f #f #f) (%make-iset 126 126 #f #f #f)))))
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;; char-set:blank
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(define char-set:blank (immutable-char-set (%make-iset 32 32 #f (%make-iset 9 9 #f #f #f) #f)))
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;; char-set:whitespace
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(define char-set:whitespace (immutable-char-set (%make-iset 32 32 #f (%make-iset 9 13 #f #f #f) #f)))
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;; char-set:digit
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(define char-set:digit (immutable-char-set (%make-iset 48 57 #f #f #f)))
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;; char-set:letter+digit
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(define char-set:letter+digit (immutable-char-set (%make-iset 65 90 #f (%make-iset 48 57 #f #f #f) (%make-iset 97 122 #f #f #f))))
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;; char-set:hex-digit
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(define char-set:hex-digit (immutable-char-set (%make-iset 65 70 #f (%make-iset 48 57 #f #f #f) (%make-iset 97 102 #f #f #f))))
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;; char-set:iso-control
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(define char-set:iso-control (immutable-char-set (%make-iset 127 127 #f (%make-iset 0 31 #f #f #f) #f)))
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;; char-set:graphic
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(define char-set:graphic (immutable-char-set (%make-iset 33 126 #f #f #f)))
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;; char-set:printing
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(define char-set:printing (immutable-char-set (%make-iset 32 126 #f (%make-iset 9 13 #f #f #f) #f)))
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